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PurposeThe deployment of solar photovoltaic (PV) in higher education institutions is beneficial and critical for attaining sustainable campus goals. However, various barriers hamper the adoption of the technology, and unless these challenges are identified, formulating tailor made solutions to boost deployment will be challenging. Thus, this study aimed to identify the barriers to the deployment of PV in the public university sector in South Africa.Design/methodology/approachA critical review of the literature was conducted to identify the factors that negatively impact PV deployment. By screening the barriers identified from the literature using a conceptual framework, the barriers that were considered relevant to deployment within a university context were selected. Thereafter, the selected barriers and additional barriers recommended by panellists were verified through a three-round Delphi survey. The factors were either accepted or rejected as barriers in the sector based on the factors' mean score and interquartile range values.FindingsThe study observed that 12 barriers hamper PV deployment in the public university sector. The findings indicated that the top five barriers were the lack of incentives, lack of green building targets, lack of financial resources, high initial cost, and lack of clear policy direction. However, the study found that deployment was not hindered because there was resistance to change or uncertainty of recouping investment costs. The deployment was also not hindered because there was a lack of demand from electricity end-users or a lack of suitable installation space.Originality/valueGiven the lack of empirical studies on the subject in the region, the present study contributes to the body of knowledge by identifying the significant barriers that impede PV deployment in the public university sector. Furthermore, insight is provided on measures that relevant stakeholders can take to motivate and support universities to deploy the technology further.

PurposeSolar photovoltaic energy is the fastest growing renewable energy in South Africa, and deployment at public universities is critical in order to meet the high energy demand on campuses in a more sustainable manner. To promote and support deployment, it is necessary to know the factors that drive adoption of the technology. Thus, the aim of this study was to identify the factors which engender deployment of photovoltaic energy in public universities in South Africa.Design/methodology/approachThrough an extensive literature review, the factors which drive photovoltaic energy deployment were identified and a three round Delphi survey was conducted for panellists to rate the drivers. The data were analysed using SPSS Version 27, and the mean and inter-quartile range values were used to identify the significant drivers within the public university sector.FindingsThe findings suggested that the deployment of photovoltaic energy is engendered by the direct and indirect benefits, social influences and the relative advantage of photovoltaic energy usage. For instance, universities install photovoltaic energy because of the financial gains that are made through reduction of energy cost. The deployment is also motivated by the reduction of energy-related greenhouse gases, enhancement of university sustainability performance, and the contribution to the Sustainable Development Goals.Originality/valueA significant contribution to the body of knowledge regarding the drivers of photovoltaic energy deployment has been made in the paper from the perspective of a public university. The contribution fills the knowledge gap in South Africa by contributing valuable information to enable decision-makers to gain better understanding of the key issues that call for more attention in promoting and supporting photovoltaic energy deployment in the sector.